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Author : Ned Hollister
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.A/5 ( download)
Download or read book A Synopsis of the American Minks written by Ned Hollister and published by . This book was released on 1913 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States National Museum
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (631 download)
Download or read book Synopsis of the American Minks written by United States National Museum and published by . This book was released on 1913 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 424 pages
Book Rating : 4.:/5 (3 download)
Download or read book North American Fauna written by and published by . This book was released on 1959 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: Systematic account of the results of a survey made in 1936 and 1937 to aid supervision of the Aleutian Islands National Wildlife Refuge. (AB60374)
Author : Edward Alphonso Goldman
Publisher :
ISBN 13 :
Total Pages : 590 pages
Book Rating : 4.:/5 (318 download)
Download or read book The Rice Rats of North America written by Edward Alphonso Goldman and published by . This book was released on 1918 with total page 590 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discusses habits, economic status, morphology, variation, history, and specimens of North American rice rats. Provides a key and descriptions for species and subspecies
Author :
Publisher :
ISBN 13 :
Total Pages : 516 pages
Book Rating : 4.:/5 (3 download)
Download or read book Pamphlets on Biology written by and published by . This book was released on 1917 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States National Museum
Publisher :
ISBN 13 :
Total Pages : 220 pages
Book Rating : 4.0/5 (981 download)
Download or read book Report of the Assistant Director and of the Curators of the U.S. National Museum written by United States National Museum and published by . This book was released on 1914 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Krista Shofstall
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (124 download)
Download or read book Analysis of the American Mink (Neovison Vison) Harvest Decline and Genetic Introgression written by Krista Shofstall and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The American mink (Neovison vison) is endemic to North America where they have been domesticated over the course of 150 years by the fur industry. These domestic mink have been escaping from farms around the world and in North America while the harvests of wild mink across Canada are in decline. In this thesis, I used a combination of environmental data, spatial data, and genetics to better understand the declines. A multiple linear regression and a tree regression indicated that muskrat harvest growth rate, road density, and annual precipitation had the most effect on the mink harvest. To study the genetic introgression of domestic and wild mink, a 300 basepair fragment of the mitochondrial control region was used to determine regional differences between the wild and domestic populations of Nova Scotia and Ontario. Color differences and the direction of introgression were also studied. Significant differences between Nova Scotia wild, Ontario wild, and domestic mink were found. A pairwise ɸst test was used to determine directional introgression and resulted in an introgression of the hybrids towards the wild population. Together these results provide a better understanding of the decline in mink harvest although further research is needed to assess the direct impact of domestic escapees on the environment and on the wild population in North America. Prevention of domestic escapees is needed to stop hybridization which is important for the preservation of the species and to prevent further risk of outbreeding depression.
Author : United States National Museum
Publisher :
ISBN 13 :
Total Pages : 866 pages
Book Rating : 4.:/5 (37 download)
Download or read book Proceedings of the United States National Museum written by United States National Museum and published by . This book was released on 1913 with total page 866 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States National Museum
Publisher :
ISBN 13 :
Total Pages : 220 pages
Book Rating : 4.:/5 (318 download)
Download or read book Report on the Progress and Condition of the U.S. National Museum for the Year Ending June 30 ... written by United States National Museum and published by . This book was released on 1914 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Edward Alphonso Goldman
Publisher :
ISBN 13 :
Total Pages : 1164 pages
Book Rating : 4.:/5 (31 download)
Download or read book Habits, Food, and Economic Status of the Band-tailed Pigeon written by Edward Alphonso Goldman and published by . This book was released on 1958 with total page 1164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert A. Francis
Publisher : Routledge
ISBN 13 : 1136461256
Total Pages : 454 pages
Book Rating : 4.1/5 (364 download)
Download or read book A Handbook of Global Freshwater Invasive Species written by Robert A. Francis and published by Routledge. This book was released on 2012-03-12 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt: Invasive non-native species are a major threat to global biodiversity. Often introduced accidentally through international travel or trade, they invade and colonize new habitats, often with devastating consequences for the local flora and fauna. Their environmental impacts can range from damage to resource production (e.g. agriculture and forestry) and infrastructure (e.g. buildings, road and water supply), to human health. They consequently can have major economic impacts. It is a priority to prevent their introduction and spread, as well as to control them. Freshwater ecosystems are particularly at risk from invasions and are landscape corridors that facilitate the spread of invasives. This book reviews the current state of knowledge of the most notable global invasive freshwater species or groups, based on their severity of economic impact, geographic distribution outside of their native range, extent of research, and recognition of the ecological severity of the impact of the species by the IUCN. As well as some of the very well-known species, the book also covers some invasives that are emerging as serious threats. Examples covered include a range of aquatic and riparian plants, insects, molluscs, crustacea, fish, amphibians, reptiles and mammals, as well as some major pathogens of aquatic organisms. The book also includes overview chapters synthesizing the ecological impact of invasive species in fresh water and summarizing practical implications for the management of rivers and other freshwater habitats.
Author :
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ISBN 13 :
Total Pages : 524 pages
Book Rating : 4.:/5 (31 download)
Download or read book Natural History of Oregon Coast Mammals written by and published by . This book was released on 1981 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 888 pages
Book Rating : 4.:/5 (321 download)
Download or read book New International Encyclopedia written by and published by . This book was released on 1916 with total page 888 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 882 pages
Book Rating : 4.F/5 ( download)
Download or read book The New International Encyclopaedia written by and published by . This book was released on 1923 with total page 882 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Frank Moore Colby
Publisher :
ISBN 13 :
Total Pages : 886 pages
Book Rating : 4.:/5 (31 download)
Download or read book The New International Encyclopædia written by Frank Moore Colby and published by . This book was released on 1917 with total page 886 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 634 pages
Book Rating : 4.3/5 (243 download)
Download or read book Bulletin written by and published by . This book was released on 1946 with total page 634 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 960 pages
Book Rating : 4.A/5 ( download)
Download or read book The Encyclopedia Americana written by and published by . This book was released on 1919 with total page 960 pages. Available in PDF, EPUB and Kindle. Book excerpt:
